Overview

Comprehensive Description

Biology

Found over hard bottom. Carnivorous (Ref. 2739).
  • Smith, C.L. 1990 Serranidae. p. 695-706. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3589)
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Distribution

Range Description

The range of Serranus atricauda extends along the coasts of Europe and west Africa from the Bay of Biscay in the north eastern Atlantic to the Azores, Mauritania and the Canary Islands, the Mediterranean coast of Morocco, Algiers and southern Spain (Morato et al. 2000).
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Eastern Atlantic: along the coasts of Europe and Africa from Biscay, the Azores, south to the Canary Islands, Algeria and Morocco.
  • Smith, C.L. 1990 Serranidae. p. 695-706. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3589)
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Western Mediterranean Sea, eastern Atlantic: Spain to Mauritania including Azores, Madeira and Canary Islands.
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Physical Description

Size

Maximum size: 350 mm ---
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Max. size

43.2 cm TL (male/unsexed; (Ref. 52596)); max. reported age: 16 years (Ref. 52596)
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Serranus atricauda is a demersal species that is found over rocky substrates from the subtidal zone to depths of 150 m (Cuyas et al. 2004). This is a generalist species, predominantly feeding on crustaceans and smaller fish. Spawning can take place throughout the year (García-Díaz et al 2006). Serranus atricauda is a hermaphrodite and maturation occurs at 4 years old (Costa 1997). The species is highly territorial (Cuyas et al. 2004).

Systems
  • Marine
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Known from seamounts and knolls
  • Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.
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Environment

demersal; marine; depth range ? - 90 m (Ref. 26999)
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Depth range based on 1 specimen in 1 taxon.

Environmental ranges
  Depth range (m): 80000 - 80000
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Trophic Strategy

Blacktail comber is a serranid fish that lives on rocky bottoms, from the shallow subtidal down to about 90 m depth. This species is a hermaphrodite, which in the Azores matures at about 250 mm total length and spawns from July to September (Lourinho, 1998). Maturation length corresponds to about 4 years of age (Costa, 1997).
  • Morato, T., R.S. Santos and J.P. Andrade 2000 Feeding habits, seasonal and ontogenetic diet shift of blacktail comber, Serranus atricauda (Pisces: Serranidae), from the Azores, north-eastern Atlantic. Fish. Res. 49(1):51-59.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Serranus atricauda

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
DD
Data Deficient

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Heemstra, P.C. & Sadovy, Y.J.

Reviewer/s
Collen, B., Richman, N., Beresford, A., Chenery, A. & Ram, M.

Contributor/s
De Silva, R., Milligan, H., Lutz, M., Batchelor, A., Jopling, B., Kemp, K., Lewis, S., Lintott, P., Sears, J., Wilson, P., Smith, J. & Livingston, F.

Justification
Serranus atricauda has been assessed as Data Deficient. Although this species is known to be targeted by local semi-subsistence fisheries in areas of its range, the exact extent and impact of this threat is unknown. It is also possible that this species is being impacted by habitat degradation, but it is not known whether this is acting as a major threat at present. Monitoring of the harvest levels, extent of harvest and habitat status of this species is needed before a more accurate assessment of its conservation status can be made.
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Population

Population
Serranus atricauda is described as relatively abundant but likely to have declined (Morato et al. 2000). Densities of this species have been recorded as 0.04 individuals per 250m2 in Cabo de Palos Marine Protected Area and 0.3 individuals per 250m2 in Cabo de Gata Marine Protected Area (Charton et al. 2000). Significant decreases in catches have been recorded around the Canary Islands since the second half of the 1980s (Cuyas et al. 2004).

Population Trend
Decreasing
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Threats

Major Threats
Serranus atricauda is one of the species targeted by the local semi-subsistence fishing industry around the Azores, of which the main catching methods are rod and line from near-shore boat, and coastal nets (Moranto et al. 2000). Its near-coastal habitat is likely to have been degraded by pollution from human settlements, including agricultural run-off and sewage.

While this species is considered to be relatively abundant (Morato et al. 2000), human fishing pressures have impacted the abundance of this species in islands around the Canarian Archipelago. In the same area, two larger serranid species have been severely overfished and stringent management measures for the area have been recommended (Tuya et al. 2006).

This species is commercially harvested throughout its range.
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Data deficient (DD)
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Management

Conservation Actions

Conservation Actions
In 1986, the Canarian Government imposed a minimum length of capture (15 cm total length) for the Archipelago (Cuyas et al. 2004). There are no other known species-specific conservation measures in place for Serranus atricauda. However, its distribution may cover a number of marine protected areas including Selwo Marine Park off southern Spain.

Monitoring of the harvest levels, extent of harvest and habitat status of this species is needed.
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
  • Smith, C.L. 1981 Serranidae. In W. Fischer, G. Bianchi and W.B. Scott (eds.) FAO species identification sheets for fishery purposes. Eastern Central Atlantic; fishing areas 34, 47 (in part). Department of Fisheries and Oceans Canada and FAO. Vol. 4. pag. var. (Ref. 2739)
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